Summer

A vigorous hardy perennial, growing to 1 m (3 ft.) in height. It has branched stems, lance late, finely toothed...

A tall annual or biennial, up to 1.2 m (4 ft.) in height, it has large, deeply lobed, spiny leaves...

A mat-forming hardy succulent, it has blue-green, rounded leaves with pointed spiny tips, arranged in rosettes. Erect, hairy stems, to...

A strong-smelling perennial on a stout, knotted rhizome, 40-80 cm (16-32 in) n height, it has ovate to lance late...

A clump-forming, hardy perennial, to 38 cm (15 in) tall, it is semi-evergreen (does not keep all its leaves in...

A small, bushy, hardy annual, to 38 cm (15 in) high, it has woody, much branched stems and small, leathery,...

A spreading, hardy perennial, on a creeping rhizomatous rootstock, 60-90 cm (2-3 ft.) tall, it has bright-green, fleshy, ovate to...

A biennial, up to 1.2 m (4 ft.) tall, it has a large basal clump of broadly ovate grey-green leaves,...

A hardy perennial, growing up to 1.2 m (4 ft.), with large, pale-green, oblong to lance late leaves, and large...

An aromatic perennial on a creeping rootstock, it is 50 cm (20 in) in height. Leaves are linear to ovate,...